<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <title>列表排序</title>
  <script src="../js/vue.js"></script>
</head>

<body>

  <div id="root">
    <h2>人员列表</h2>
    <button @click="updateMei">更新马冬梅的信息</button>
    <ul>
      <!-- 遍历数组 -->
      <li v-for="(p,index) in persons" :key="index">
        {{p.id}} - {{p.name}} - {{p.age}} - {{p.sex}}
      </li>
    </ul>

  </div>
  <script>
    Vue.config.productionTip = false


    // 用conputed实现
    new Vue({
      el: '#root',
      data: {
        keyWord: '',
        sortType: 0, // 0原顺序 1降序 2升序
        persons: [
          { id: '001', name: '马冬梅', age: 30, sex: '女' },
          { id: '002', name: '周冬雨', age: 28, sex: '女' },
          { id: '003', name: '周杰伦', age: 40, sex: '男' },
          { id: '004', name: '温兆伦', age: 18, sex: '男' }
        ]
      },
      methods: {
        updateMei() {
          // this.persons[0].name = '马老师'   // 奏效
          // this.persons[0].age = 50          // 奏效
          // this.persons[0].sex = '男'        // 奏效
          this.persons[0] = { id: '001', name: '马老师', age: 50, sex: '男' }
        }
      },
    })

  </script>
</body>

</html>